| Subject | English | Thesaurus |
| abbr., astronaut., mil. | Active Network Guidance in Emergency Logic | ANGEL |
| avia. | aeronautical fixed telecommunication network | A worldwide system of aeronautical fixed circuits provided, as part of the aeronautical fixed service, for the exchange of messages and/or digital data between aeronautical fixed stations having the same or compatible communications characteristics. |
| IT, abbr. | Broadband Network Termination | BNT (B-ISDN) |
| IT, abbr. | Broadband Network Termination | B-NT (B-ISDN) |
| abbr., energ.syst. | Critical Path Network | CPN (Altuntash) |
| abbr., commun. | Customized Application for Mobile network Enhanced Logic | CAMEL |
| abbr., telecom. | Customized Applications for Mobile network Enhanced Logic | CAMEL (Charikova) |
| univer., abbr. | Digital Trade And Transport Network | DTTN |
| rude, abbr. | Idiotic Garbage Network | IGN |
| IT, abbr. | european Inductive Logic Programming scientific NETwork | ILPNET |
| telecom., abbr. | Integrated Services Digital Network User Part | ISDNUP |
| abbr., commun. | Intelligent Network Application Part | INAP (Interface) |
| abbr., comp., net. | Intelligent Network Application Part | INAP |
| transp., abbr. | Inter-Facility Flow Control Network | IFCN |
| telecom., abbr. | Line Unit Network Termination | LUNT |
| mil., abbr. | M22 Tactical Network | MTN |
| abbr. | Military Analysis Network | MAN (Alex Lilo) |
| abbr., file.ext. | Multi-Protocol Transport Network | MPTN |
| abbr., comp. | Network Access Facility | NAF (-ies Vosoni) |
| telecom., abbr. | Network Communication Control Facility | NCCF |
| IT, abbr. | Network Communications Control Facility | NCCF (IBM) |
| mil., abbr. | Network Communications Control Facility | NCCF |
| IT, abbr. | Network Independent Transport Service | NITS |
| IT, abbr. | Network Management Productivity Facility | NMPF (IBM) |
| abbr., comp., net. | Network Management Vector Transport | NMVT |
| telecom., abbr. | Network Management Vector Transport protocol | NMVT |
| abbr., comp., net. | Network News Reading Protocol | NNRP |
| abbr., comp., net. | Network News Transport Protocol | NNTP |
| abbr., commun. | Network Terminal/Termination | NT |
| telecom., abbr. | Network Termination | NT (ISDN) |
| IT, abbr. | Network Termination unit 1 | NT1 (ISDN) |
| comp., abbr. | Network Termination | NT |
| IT, abbr. | Network Termination for Basic Access | NTBA (ISDN) |
| abbr., IT | Network Termination Interface | NTI |
| softw., abbr. | Network Text Editor | NTE |
| IT, abbr. | Network Transport Services /2 | NTS/2 (IBM) |
| comp., abbr. | Network Transport Services/2 | NTS/2 |
| media., abbr. | New Jersey Public Television and Radio Network | NJN |
| comp., net., abbr. | Open Transport Network | OTN |
| abbr., commun. | Optical Network Termination | ONT |
| abbr., commun. | Optical Transport Network | OTN |
| abbr., telecom. | packet transport network | packet transport net (ssn) |
| mil., abbr. | Panama Backbone Transport Network | PBTN |
| IT, abbr. | Programmer's Distribution Network | PDN (Fido) |
| chat., abbr. | Programmers Distribution Network | PDN |
| ed., abbr. | Reading Success Network | RSN |
| abbr., comp. | Reliable Multicast Transport Protocol for multicasting continuous data streams in a wide area network | RMTP+ (Vosoni) |
| abbr., comp. | Reliable Multicast Transport Protocol for multicasting files in a wide area network | RMTP (Vosoni) |
| abbr., comp., net. | Simple Network Transport Protocol | SNTP |
| telecom., abbr. | Single Protocol Transport Network | SPTN |
| abbr., scottish | Strategic Automatic Message Switching Operational Network | SAMSON |
| humor., abbr. | The Nothing Network | TNN |
| tradem., abbr. | The Work And Learning Network | WLN |
| abbr., traf. | Transport for London Route Network | TLRN (Alexander Oshis) |
| abbr., telecom. | Transport Network | TN (triumfov) |
| abbr., comp., net. | Transport Network Node | TNN |
| comp., net., abbr. | Transport Network Substrate | TNS |
| comp., net., abbr. | Vos Virtual Network | VVN |
| busin., abbr. | Work Incentives Transition Network | WITN |
| IT, abbr. | Xerox Network Services/Internet Transport Protocol | XNSITP (Xerox, XNS) |
| IT, abbr. | Xerox Network Services/Internet Transport Protocol | XNS/ITP (Xerox, XNS) |
| abbr., inet. | Xerox Network Systems' Internet Transport Protocol | XNS/ITP |